Show HN: CDXE – Cyber Defence Exercise Environment

Category: infrastructure

Tags: cyber-range, network-simulation, bgp, wireguard, cybersecurity

Score: 7.3/10 (Innovation: 8, Technical: 8, Documentation: 6, Utility: 6)

CDXE is a single-binary tool that creates a simulated internet environment (routers, ASNs, BGP peering, DNS, etc.) for cyber defence exercises, with live reconfiguration and WireGuard access. It simplifies building realistic network ranges for red/blue team training with low resource overhead.

Target audience: cybersecurity professionals, network engineers, devops, educators

Repository: https://kryptogram.se/cdxe/

View on Hacker News